with over 19,566 views and dozens of posts.

Well, when someone adds to a thread it leaps to the top of the activity list.
Andrew (welcome back) added a Rubettes post and bang, up it came once more.

Plus thousands of viewers seem to trawl through old threads reading them for the first time.

A topic with hardly any views grows and grows and in a few months has literally thousands of views whilst adding no extra posts.

We seem to have many people who log on for some time and read old threads.

So that explains it for those regulars who were puzzled.

I was going to wax lyrical, but noticed I already had.